Income tax
Brackets, deductions and the thresholds that shape your return.
The numbers change.
The answers stay clear.
US tax brackets, contribution limits and benefit thresholds. Official sources, useful calculators, every year.
Primary sources. Clear projections. No account.
Your income. Your estimate.Official
Estimated federal income tax
$7,670.00- Effective rate
- 10.2%
- Marginal rate
- 22%
- Taxable income
- $58,900
- Deduction used
- $16,100
Uses the standard deduction. Excludes payroll taxes and credits.
View the brackets and sourceLooking ahead to 2027? HSA limits and GSA fiscal-year rates are already official. Other releases follow their own schedule.
See what is publishedFind your number.
Start with a topic. Every figure has a year, a status and a primary source.
Retirement
$24,500401(k) employee limit
Make room for your future, with contribution limits by age.
Health & family
$4,400HSA self-only limit
Health accounts, household guidelines and family tax credits.
Work & benefits
76¢Business mileage, July–December
Travel allowances, Social Security ceilings and food benefits.
Put the numbers to work.
Simple estimates, with the calculation explained.
Federal income tax
See your estimated tax, marginal rate and effective rate.
Contribution room
Find the amount left, including your age catch-up.
Poverty guideline percentage
Compare household income with the correct regional guideline.
Premium tax credit
Estimate the Marketplace credit using the prior-year poverty guideline.
Mileage reimbursement
Use the rate in effect on the date you traveled.
Per diem trip total
Add seasonal lodging and first/last-day meal allowances.
Child tax credit
See the income phase-out and estimated refundable portion.
COBRA cost
Compare the full plan premium with your payroll contribution.
Your inputs are used only for this request. No account needed.
This year has a history.
The single-filer deduction, with published history and the next-year projection.
| Year | Reference value | Change | Status |
|---|---|---|---|
| 2021 | $12,550 | — | Official |
| 2022 | $12,950 | +$400 | Official |
| 2023 | $13,850 | +$900 | Official |
| 2024 | $14,600 | +$750 | Official |
| 2025 | $15,750 | +$1,150 | Official |
| 2026 | $16,100 | +$350 | Official |
| 2027 | $16,600 | +$500 | Projected |
History compares the primary reference value; use each year’s full table for other filing statuses, regions or limits.
Source: IRS annual inflation adjustments and the 2025 law that raised the deduction. Read the rules and sources.
Know what is coming next.
Official releases follow different calendars. Projections are always labeled.
MayHSA & HDHPOfficialAug–SepGSA per diemOfficialOctoberSocial SecurityProjectedOct–NovIRS annual limitsProjectedDecemberMileage ratesAwaitingJanuaryPoverty guidelinesAwaiting
Tax brackets and contribution limits are usually announced in the fall. Publication dates can change; the source document decides the status.
A source behind every number.
Primary documents first. Projections show their formula and data.
Corrections stay visible.
IRSTax & contribution limitsSSASocial Security amountsHHSPoverty guidelinesGSAFederal travel ratesUSDANutrition assistanceBLSInflation observations
source → verify → publish
Know how a number got here.
We preserve the document, the effective dates and the assumptions. An official release always takes priority over a projection.
Read our methodology